On my way to looking up something else I found a website about pi. You might
wish to check it out.
(copy and paste the whole link)
http://www-groups.dcs.st-and.ac.uk:80/~history/HistTopics/
Pi_through_the_ages.html
It is a long address so I suggest that you copy it from your email and pasted
it into the Open file.
-Marielouise, for the Teacher2Teacher service